MIL-T-23103A (NOTICE 1), MILITARY SPECIFICATION: THERMAL PERFORMANCE EVALUATION, AIRBORNE ELECTRONIC EQUIPMENT AND SYSTEMS, GENERAL REQUIREMENT FOR (20 MAY 1992) [S/S BY MIL-STD-2218]., MIL-T-23103A(AS), dated 29 April 1971, is hereby canceled. Future acquisition should refer to MIL-STD-2218 Thermal Design, Analysis, and Test Procedures For Airborne Electronic Equipment.